Course Details
Subject {L-T-P / C} : CE6235 : Material Technology { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Uttam Kumar Mishra
Syllabus
Cement – Cement chemistry, Heat of hydration, Microstructure, Hydration products and pores Aggregates – Characteristics and significance, Natural and Recycled aggregates Admixtures – chemical, mineral Mineral admixtures – Classification, Pozzolanic reaction, Effect of Natural and Industrial by-products on fresh and hardened concrete properties Chemical admixtures – Classification, Water reducers, Set Controllers, Air entraining agents, Admixture chemistry – Mechanism of action, Optimisation, Compatibility issues, Special Admixtures, Advanced Mixture Design – Design Philosophy, Particle Packing & Rheology, Discrete and Continuous approach, Packing density of powders and aggregates, Experimental tests and Models, Mixture Design of Self Compacting Concrete (SCC) Fresh Concrete Properties, Empirical test for SCC - Rheology, Basics, Parameters, Models – Rheometers, Rheology of Paste and concrete, Pumping, Setting, Curing, Plastic shrinkage, Strength Development, Maturity Method Hardened Concrete Properties, Factors influencing strength, Interfacial Transition Zone, Stress strain relationship, Localisation, End effects, Loading Conditions Dimensional Stability – Creep and Shrinkage, Durability – Permeability and Porosity, Chemical attack (Sulphate attack, Delayed Ettringite Formation, Chloride attack, Acid Attack, Sea Water attack, Carbonation, Freezing and Thawing, Alkali aggregate reaction, Alkali carbonate reaction Corrosion, Mode of action, failure, Tests, Protection methods.
Course Objectives
- To know about cement chemistry, heat of hydration, microstructure, hydration products and pores, to know about geological, physical classification of aggregates, their characteristics and significance, natural and recycled aggregates
- To know about chemical and mineral admixtures, classification of Mineral admixtures, their Pozzolanic reaction, effect of Natural and Industrial by-products on fresh and hardened concrete properties Chemical admixtures – Classification - Water reducers, Set Controllers, Air entraining agents – Admixture chemistry – Mechanism of action - types - Optimisation – Compatibility issues - Speciality Admixtures
- Advanced mix design, Design Philosophy, Particle Packing & Rheology, Mixture Design of Self Compacting Concrete (SCC) Fresh Concrete Properties, Empirical test for SCC - Rheology, Basics, Parameters,
- Dimensional Stability – Creep and Shrinkage, Durability – Permeability and Porosity, Chemical attack (Sulphate attack, Delayed Ettringite Formation, Chloride attack, Acid Attack, Sea Water attack, Carbonation, Freezing and Thawing, Alkali aggregate reaction, Alkali carbonate reaction Corrosion, Mode of action, failure, Tests, Protection methods.
Course Outcomes
Student will be able to select the materials usable for concrete making, can be able to select right kind of admixture for the given activity, can be able to design the mix for the purpose <br />Student will be able to design mix for self-compacting concrete, will know the type of attack the concrete may come across and the method to design concrete which will be less affected from such attacks
Essential Reading
- Neville, A.M., Properties of concrete, Pearson Education Limited, London , 4th Edition
- P. Kumar Metha and P. J. M. Monterio, Concrete - Microstructures, Properties and Materials, Indian Concrete Institute, Chennai , Indian Edition
Supplementary Reading
- . Santhakumar, A. R., Concrete Technology, Oxford University Press, New Delhi , 2007
- Neville, A.M., and Brooks, J. J., Concrete Technology, Pearson Education Ltd. , 2012